Gem CountyPower Outage History
What this grade means
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 7, 2022 | 1 hrs | 7,530 (84%) | Heavy Snow |
| Oct 6, 2020 | 2 hrs | 7,212 (81%) | Unnamed event |
| Dec 25, 2025 | 2 hrs | 6,949 (78%) | Unnamed event |
| Dec 25, 2016 | 1 hrs | 6,754 (76%) | Heavy Snow |
| Feb 20, 2017 | 1 hrs | 6,753 (76%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Gem County, Idaho that day.
Over the 11 years from 2015 to 2025, Gem County recorded 301 distinct power outage events, averaging 1.8 hours per event.
The single worst outage on record in Gem County started April 7, 2022 (Heavy Snow), lasting 1 hours and leaving up to 7,530 customers without power (84% of the county) at its peak.
June has historically been the worst month for outages in Gem County, with 40 events recorded during that month across the dataset.
Based on this history, Gem County earns a Reliability Grade of B, placing it in the 72nd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Idaho
Counties with the closest reliability grade and national percentile to Gem County.
| County | Grade | National percentile |
|---|---|---|
| Madison County | B | 72nd |
| Lewis County | B | 73rd |
| Washington County | B | 68th |
| Teton County | B | 78th |
| Jefferson County | B | 64th |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
FAQ
How often does power go out in Gem County?
Between 2015 and 2025, Gem County recorded 301 outage events, averaging 1.8 hours each.
What is Gem County's reliability grade?
Gem County has a Reliability Grade of B, in the 72nd national percentile.
What was the worst power outage in Gem County?
The worst outage on record started April 7, 2022 (Heavy Snow), lasting 1 hours and affecting up to 7,530 customers.